Features: *PT100 platinums resistance waterproof temperature sensor temperature probes. *High measurement accuracy, stable performance. *Externally insulated shielding and internally fiberglass insulation. *Wide temperature range from -20 to 200. *Small structure, wide usage, good reliability and short thermal response time. Specifications: Type: Platinum waterproof thermal resistance Model: WZP-035 Two-wire system Graduation number: PT100 Temperature range: -20~200 Sensor Size: 4 x 30mm Cord Length: Approx. 30cm,50cm ,100cm,150cm,200cm External Shielding: Insulated shielding Internal insulation: fiberglass Quantity: 1 pieces Package includes: 1*Sensor Probes Note: 1. Please allow 1-3mm error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated same, item color displayed in photos may be showing slightly different from the real object. Please take the real one as the standard.